diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch b/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch new file mode 100644 index 000000000..d81a570ea --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch @@ -0,0 +1,197 @@ +--- + drivers/rtc/rtc-x1205.c | 128 ++++++++++++++++-------------------------------- + 1 file changed, 43 insertions(+), 85 deletions(-) + +Index: linux-2.6.25-rc6-armeb/drivers/rtc/rtc-x1205.c +=================================================================== +--- linux-2.6.25-rc6-armeb.orig/drivers/rtc/rtc-x1205.c 2008-03-20 10:24:13.000000000 +1030 ++++ linux-2.6.25-rc6-armeb/drivers/rtc/rtc-x1205.c 2008-03-20 10:24:23.000000000 +1030 +@@ -22,20 +22,7 @@ + #include <linux/rtc.h> + #include <linux/delay.h> + +-#define DRV_VERSION "1.0.7" +- +-/* Addresses to scan: none. This chip is located at +- * 0x6f and uses a two bytes register addressing. +- * Two bytes need to be written to read a single register, +- * while most other chips just require one and take the second +- * one as the data to be written. To prevent corrupting +- * unknown chips, the user must explicitly set the probe parameter. +- */ +- +-static const unsigned short normal_i2c[] = { I2C_CLIENT_END }; +- +-/* Insmod parameters */ +-I2C_CLIENT_INSMOD; ++#define DRV_VERSION "1.0.8" + + /* offsets into CCR area */ + +@@ -91,19 +78,7 @@ + + #define X1205_HR_MIL 0x80 /* Set in ccr.hour for 24 hr mode */ + +-/* Prototypes */ +-static int x1205_attach(struct i2c_adapter *adapter); +-static int x1205_detach(struct i2c_client *client); +-static int x1205_probe(struct i2c_adapter *adapter, int address, int kind); +- +-static struct i2c_driver x1205_driver = { +- .driver = { +- .name = "x1205", +- }, +- .id = I2C_DRIVERID_X1205, +- .attach_adapter = &x1205_attach, +- .detach_client = &x1205_detach, +-}; ++static struct i2c_driver x1205_driver; + + /* + * In the routines that deal directly with the x1205 hardware, we use +@@ -497,58 +472,51 @@ + } + static DEVICE_ATTR(dtrim, S_IRUGO, x1205_sysfs_show_dtrim, NULL); + +-static int x1205_attach(struct i2c_adapter *adapter) ++static int x1205_sysfs_register(struct device *dev) ++{ ++ int err; ++ ++ err = device_create_file(dev, &dev_attr_atrim); ++ if (err) ++ return err; ++ ++ err = device_create_file(dev, &dev_attr_dtrim); ++ if (err) ++ device_remove_file(dev, &dev_attr_atrim); ++ ++ return err; ++} ++ ++static void x1205_sysfs_unregister(struct device *dev) + { +- return i2c_probe(adapter, &addr_data, x1205_probe); ++ device_remove_file(dev, &dev_attr_atrim); ++ device_remove_file(dev, &dev_attr_dtrim); + } + +-static int x1205_probe(struct i2c_adapter *adapter, int address, int kind) ++ ++static int x1205_probe(struct i2c_client *client) + { + int err = 0; + unsigned char sr; +- struct i2c_client *client; + struct rtc_device *rtc; + +- dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); ++ dev_dbg(&client->dev, "%s\n", __FUNCTION__); + +- if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { +- err = -ENODEV; +- goto exit; ++ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { ++ return -ENODEV; + } + +- if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { +- err = -ENOMEM; +- goto exit; ++ if (x1205_validate_client(client) < 0) { ++ return -ENODEV; + } + +- /* I2C client */ +- client->addr = address; +- client->driver = &x1205_driver; +- client->adapter = adapter; +- +- strlcpy(client->name, x1205_driver.driver.name, I2C_NAME_SIZE); +- +- /* Verify the chip is really an X1205 */ +- if (kind < 0) { +- if (x1205_validate_client(client) < 0) { +- err = -ENODEV; +- goto exit_kfree; +- } +- } +- +- /* Inform the i2c layer */ +- if ((err = i2c_attach_client(client))) +- goto exit_kfree; +- + dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); + + rtc = rtc_device_register(x1205_driver.driver.name, &client->dev, + &x1205_rtc_ops, THIS_MODULE); + +- if (IS_ERR(rtc)) { +- err = PTR_ERR(rtc); +- goto exit_detach; +- } ++ if (IS_ERR(rtc)) ++ return PTR_ERR(rtc); + + i2c_set_clientdata(client, rtc); + +@@ -565,45 +533,35 @@ + else + dev_err(&client->dev, "couldn't read status\n"); + +- err = device_create_file(&client->dev, &dev_attr_atrim); +- if (err) goto exit_devreg; +- err = device_create_file(&client->dev, &dev_attr_dtrim); +- if (err) goto exit_atrim; ++ err = x1205_sysfs_register(&client->dev); ++ if (err) ++ goto exit_devreg; + + return 0; + +-exit_atrim: +- device_remove_file(&client->dev, &dev_attr_atrim); +- + exit_devreg: + rtc_device_unregister(rtc); + +-exit_detach: +- i2c_detach_client(client); +- +-exit_kfree: +- kfree(client); +- +-exit: + return err; + } + +-static int x1205_detach(struct i2c_client *client) ++static int x1205_remove(struct i2c_client *client) + { +- int err; + struct rtc_device *rtc = i2c_get_clientdata(client); + +- if (rtc) +- rtc_device_unregister(rtc); +- +- if ((err = i2c_detach_client(client))) +- return err; +- +- kfree(client); +- ++ rtc_device_unregister(rtc); ++ x1205_sysfs_unregister(&client->dev); + return 0; + } + ++static struct i2c_driver x1205_driver = { ++ .driver = { ++ .name = "rtc-x1205", ++ }, ++ .probe = x1205_probe, ++ .remove = x1205_remove, ++}; ++ + static int __init x1205_init(void) + { + return i2c_add_driver(&x1205_driver); |